﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo03
{
    class Program
    {
        static void Main(string[] args)
        {
           Area de = new Area();
            de.Count(5);

            Area dem = new Area();
            dem.Count(3, 5);

        }
    }
}
